Vue JS framework is very simple yet powerful, also better in performance wise. Learning curve is very easy. You can pick the fundamentals in a day or two. Within a week you can reach intermediate level.

It comes with all the basic stuff of SPA like data binding, event handling, routing, state management, components.

I have been creating a video tutorials series on Vue js 2 framework.

Vue.js Tutorials: http://www.youtube.com/playlist?list=PLJ6Y8JfXAV-8_2lHNgP1Dh...